I took an old auto bulb and soldered a wire to the side of it and one to the center + part and made an instant test light. Then I opened the bucket , turned on the indiwinker I was working on and started to probe until I found the wire I wanted.(the one that made the test bulb flash and turned off when the switch was turned off) I made sure it was connected and routed so I could still unplug things for disassembly if needed.

I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!